Except professional medical marijuana, cannabis is illegal in Germany. In-spite of the, the regulation is fairly lenient over the recreational usage of marijuana. Once the law enforcement discover you carrying 15g or less of weed, they're going to take you right down to the station for mugshots and questioning. https://cannabis-crew.com/2023/10/10/how-to-order-weed-online-in-frankfurt-germany-as-a-tourist/